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The data acquisition capability of processor-based relays and intelligent electronic devices (IEDs) can improve reliability and reduce the global cost of the power system. Nevertheless, the quantity and complexity of the captured data is beyond the requirements of most utilities, particularly when ones consider their immediate operational needs. Though the data acquisition process has been highly...
The paper proposes a relatively new approach based on rough sets to extract knowledge from a substation and provide a synthetic output suitable for decision making. This involves a mathematical technique based on the classification of objects into similar classes. The aim is to reduce the size of substation data received from IED relays while keeping all the essential information intact. This is done...
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